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Atomic file writes.

Project description

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Atomic file writes.

Features that distinguish it from other similar libraries:

  • Race-free assertion that the target file doesn’t yet exist. This can be controlled with the overwrite parameter.

  • Windows support, although untested. The MSDN resources are not very explicit about which operations are atomic. This requires pywin32.

  • Simple high-level API that wraps a very flexible class-based API.

Usage:

from atomicwrites import atomic_write

with atomic_write('foo.txt') as f:
    f.write('Hello world.')
    # "foo.txt" doesn't exist yet.

# Now it does.

License

Licensed under the MIT, see LICENSE.

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